This CHFI practice question tests your understanding of mobile and malware forensics. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
Which Android file system location is MOST likely to contain user-installed app data, preferences, and cached information?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "most likely"
Why it matters: Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
/vendor/
Why wrong: Contains vendor-specific files, not user data.
/data/data/
Standard location for app-specific data on Android.
/system/
Why wrong: Contains OS files, not user app data.
/mnt/sdcard/
Why wrong: External storage, not app-private data.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
/data/data/
The /data/data/ directory on Android devices stores application-specific data for user-installed apps, including preferences (shared preferences XML files), databases, and cached information. This location is part of the internal storage partition and is sandboxed per app, ensuring that each app can only access its own data directory. It is the primary repository for runtime app data, making it the most relevant for forensic analysis of user-installed app artifacts.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
/vendor/
Why it's wrong here
Contains vendor-specific files, not user data.
/data/data/
Why this is correct
Standard location for app-specific data on Android.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
/system/
Why it's wrong here
Contains OS files, not user app data.
/mnt/sdcard/
Why it's wrong here
External storage, not app-private data.
Common exam traps
EC-Council often tests the misconception that user-installed app data is stored on the SD card (/mnt/sdcard/) because users commonly see app files there, but in Android's security model, private app data is strictly kept in /data/data/ and not on external storage.
Detailed technical explanation
Under the hood, each app's package name (e.g., com.example.app) corresponds to a subdirectory under /data/data/, with permissions set to 700 (owner-only access) enforced by Linux UID/GID isolation. The cached information is often stored in a 'cache' subdirectory, while preferences are in shared_prefs/ as XML files. In a forensic context, even if an app is uninstalled, remnants may persist in /data/data/ until the partition is overwritten, making this location critical for recovering deleted app data.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A practitioner preparing for the CHFI exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
What to study next
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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FAQ
Mobile and Malware Forensics — This question tests Mobile and Malware Forensics — Read the scenario before looking for a memorised answer..
The correct answer is: /data/data/ — The /data/data/ directory on Android devices stores application-specific data for user-installed apps, including preferences (shared preferences XML files), databases, and cached information. This location is part of the internal storage partition and is sandboxed per app, ensuring that each app can only access its own data directory. It is the primary repository for runtime app data, making it the most relevant for forensic analysis of user-installed app artifacts.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Yes — watch for: "most likely". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 30, 2026
This CHFI practice question is part of Courseiva's free EC-Council certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the CHFI exam.
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